PS200 datasheet(26/36 Pages) MICROCHIP

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PS200

DS21891B-page 24

TABLE 5-9:

COMPARATOR SPECIFICATIONS (PINS LOOPFBK, CHGFBK, SHDN, VOVP)

TABLE 5-10:

COMPARATOR VOLTAGE REFERENCE (VREF) SPECIFICATIONS

Comparator Specifications

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +125°C

Param

No.

Symbol

Characteristics

Min

Typ

Max

Units

Comments

C01

VOS

Input Offset Voltage

—

± 2

± 5mV

C02

VCM

Input Common Mode Voltage

—

VDD – 1.5

C03

ILC

Input Leakage Current

—

200*

C04

CMRR

Common Mode Rejection

Ratio

+70*

—

C05

TRT

Response Time(1)

—

20*

40*

Internal

Output to pin

These parameters are characterized but not tested.

Note 1:

Response time measured with one comparator input at (VDD – 1.5)/2, while the other input transitions from

VSS to VDD – 1.5V.

Comparator Voltage Reference Specifications

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +125°C

Param

No.

Symbol

Characteristics

Min

Typ

Max

Units

Comments

CV01

CVRES

Resolution

—

VDD/24*

VDD/32

—

LSb

Low Range (VRR = 1)

High Range (VRR = 0)

CV02

Absolute Accuracy

—

±1/4*

±1/2*

LSb

Low Range (VRR = 1)

High Range (VRR = 0)

CV03

Unit Resistor Value (R)

—

2K*

—

CV04

Settling Time(1)

——

10*

μs

These parameters are characterized but not tested.

Note 1:

Settling time measured while VRR = 1 and VR<3:0> transitions from 0000 to 1111.

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